Steam Boilers, Engines, Nozzles and Turbines
The impulse reaction turbine has its driving force

Partly as an impulsive force and partly as a reaction force
None of the listed here
As a reaction force
As an impulsive force

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Steam Boilers, Engines, Nozzles and Turbines
Stoichiometric quantity of air is the

Air present in atmosphere at NTP conditions
Air required for complete combustion of fuel with no excess air
Air required for optimum combustion so as to have reasonable excess air
Air required to convert CO into CO₂

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